<template>
    <div>
        <!--面包屑导航区-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                    <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

        <!-- table表格区域 -->
        <el-table :data="goodsList" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
            <el-table-column label="商品重量" prop="goods_weight"  width="70px"></el-table-column>
            <el-table-column label="创建时间" prop="add_time"  width="140px">
                <template slot-scope="scope">
                    {{scope.row.add_time | dataFormat}}
                </template>
            </el-table-column>
            <el-table-column label="操作"  width="130px">
                <template slot-scope="scope">
                <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                </template>
            </el-table-column>
        </el-table>

        <!-- 分页区域 -->
        <el-pagination
            @size-change="handleSizeChange"  @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
         </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            // 查询参数对象
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 10
            },
            // 商品列表
            goodsList: [],
            // 总数据条数
            total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        // 根据分页获取对应的商品列表
        async getGoodsList() {
        const { data:res } = await this.$axios.get(`goods`, {params: this.queryInfo})
            if (res.meta.status !== 200) {
                return this.$message.error('获取商品列表失败')
            }
            console.log(res.data)
            this.goodsList = res.data.goods
            this.total = res.data.total
        },
        handleSizeChange(newSize) {
             this.queryInfo.pagesize = newSize
             this.getGoodsList()
        },
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getGoodsList()

        },
        async removeById(id) {
            const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err => err)

            if (confirmResult !== 'confirm') {
            return this.$message.info('已取消删除')
            }

            const { data:res } = await this.$axios.delete(`goods/${id}`) 
            if (res.meta.status !== 200) {
                return this.$message.error('删除失败')
            }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        goAddpage() {
            this.$router.push(`/goods/add`)
        }
    }
}
</script>

<style lang="less" scoped>

</style>